Vulnerability-Lookup

CVE-2021-23157 (GCVE-0-2021-23157)

Vulnerability from cvelistv5 – Published: 2022-01-14 19:10 – Updated: 2025-04-16 18:02

Title

WECON LeviStudioU

Summary

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-16 17:31 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

icscert icscert root

References

3 references

URL	Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-2…	x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
WECON	LeviStudioU	Affected: All , ≤ 2019-09-21 (custom)	guessed

Date Public

2021-12-21 00:00

Credits

Natnael Samson (@NattiSamson), working with Trend Micro’s Zero Day Initiative, reported these vulnerabilities to CISA.

Show details on NVD website

JSON

To clipboard

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                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-04-16T17:31:41.848676Z",
                    "version": "2.0.3"
                  },
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                }
              }
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            "providerMetadata": {
              "dateUpdated": "2025-04-16T17:31:43.278Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "LeviStudioU",
              "vendor": "WECON",
              "versions": [
                {
                  "lessThanOrEqual": "2019-09-21",
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                  "version": "All",
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              "value": "Natnael Samson (@NattiSamson), working with Trend Micro\u2019s Zero Day Initiative, reported these vulnerabilities to CISA."
            }
          ],
          "datePublic": "2021-12-21T00:00:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
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                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              }
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          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-122",
                  "description": "CWE-122 Heap-based Buffer Overflow",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2022-01-27T09:06:14.000Z",
            "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
            "shortName": "icscert"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
            },
            {
              "tags": [
                "x_refsource_MISC"
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              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
            }
          ],
          "source": {
            "advisory": "ICSA-21-355-03",
            "discovery": "UNKNOWN"
          },
          "title": "WECON LeviStudioU",
          "workarounds": [
            {
              "lang": "en",
              "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information."
            }
          ],
          "x_generator": {
            "engine": "Vulnogram 0.0.9"
          },
          "x_legacyV4Record": {
            "CVE_data_meta": {
              "ASSIGNER": "ics-cert@hq.dhs.gov",
              "DATE_PUBLIC": "2021-12-21T19:09:00.000Z",
              "ID": "CVE-2021-23157",
              "STATE": "PUBLIC",
              "TITLE": "WECON LeviStudioU"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
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                    "product": {
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                        {
                          "product_name": "LeviStudioU",
                          "version": {
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                                "version_affected": "\u003c=",
                                "version_name": "All",
                                "version_value": "2019-09-21"
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                          }
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                      ]
                    },
                    "vendor_name": "WECON"
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              }
            },
            "credit": [
              {
                "lang": "eng",
                "value": "Natnael Samson (@NattiSamson), working with Trend Micro\u2019s Zero Day Initiative, reported these vulnerabilities to CISA."
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            "data_type": "CVE",
            "data_version": "4.0",
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                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
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            "problemtype": {
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                  "description": [
                    {
                      "lang": "eng",
                      "value": "CWE-122 Heap-based Buffer Overflow"
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              ]
            },
            "references": {
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                {
                  "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03",
                  "refsource": "MISC",
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                }
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            "source": {
              "advisory": "ICSA-21-355-03",
              "discovery": "UNKNOWN"
            },
            "work_around": [
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                "lang": "en",
                "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information."
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        "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "assignerShortName": "icscert",
        "cveId": "CVE-2021-23157",
        "datePublished": "2022-01-14T19:10:40.173Z",
        "dateReserved": "2021-12-16T00:00:00.000Z",
        "dateUpdated": "2025-04-16T18:02:12.385Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

BDU:2022-05812 (CVE-2021-23157)

Vulnerability from fstec – Published: 2022-09-21 – Updated: 2022-09-21 – View on bdu.fstec.ru No remediation information

Title

Уязвимость программного обеспечения для программирования человеко-машинного интерфейса WECON LeviStudioU, нарушителю выполнить произвольный код

Summary

Уязвимость программного обеспечения для программирования человеко-машинного интерфейса WECON LeviStudioU вызвана переполнением буфера в динамической памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, выполнить произвольный код

Severity

9.3 (High) CVSS 2.0


                      
                        AV:N/AC:M/Au:N/C:C/I:C/A:C

8.8 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Organisational measures

CWE

CWE-122 - Переполнение буфера в динамической памяти
CWE-787 - Запись за границами буфера

Aliases

CVE-2021-23157, ICSA-21-355-03

References

3 references

URL
https://www.cybersecurity-help.cz/vdb/SB2022010401
https://nvd.nist.gov/vuln/detail/CVE-2021-23157
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03

Impacted products

1 product from 2 vendors

Vendors

WECON Technology Co., Ltd.

Products

LeviStudioU

Versions

до 2019-09-21 включительно (LeviStudioU)

Product types

Application software

Mitigations

Компенсирующие меры: - использование входных данных только из доверенных источников; - использование мер по предотвращению фишинговых атак.

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "WECON Technology Co., Ltd.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e 2019-09-21 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (LeviStudioU)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u041a\u043e\u043c\u043f\u0435\u043d\u0441\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0440\u044b:\n- \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437 \u0434\u043e\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u0445 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u0432;\n- \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u0440 \u043f\u043e \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u0444\u0438\u0448\u0438\u043d\u0433\u043e\u0432\u044b\u0445 \u0430\u0442\u0430\u043a.",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "18.08.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "21.09.2022",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "21.09.2022",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2022-05812",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2021-23157, ICSA-21-355-03",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "LeviStudioU",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u043e-\u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 WECON LeviStudioU, \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (CWE-122), \u0417\u0430\u043f\u0438\u0441\u044c \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 (CWE-787)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u043e-\u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 WECON LeviStudioU \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u043c\u0435\u0440\u044b",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://www.cybersecurity-help.cz/vdb/SB2022010401\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-23157\nhttps://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-122, CWE-787",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9,3)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,8)"
}

FKIE_CVE-2021-23157

Vulnerability from fkie_nvd - Published: 2022-01-14 20:15 - Updated: 2026-06-17 03:38

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

References

URL	Tags
ics-cert@hq.dhs.gov	https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03	Third Party Advisory, US Government Resource
ics-cert@hq.dhs.gov	https://www.zerodayinitiative.com/advisories/ZDI-22-130/	Third Party Advisory, VDB Entry
ics-cert@hq.dhs.gov	https://www.zerodayinitiative.com/advisories/ZDI-22-132/	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://www.zerodayinitiative.com/advisories/ZDI-22-130/	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://www.zerodayinitiative.com/advisories/ZDI-22-132/	Third Party Advisory, VDB Entry

Impacted products

	Vendor	Product	Version
	we-con	levistudiou	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "LeviStudioU",
          "vendor": "WECON",
          "versions": [
            {
              "lessThanOrEqual": "2019-09-21",
              "status": "affected",
              "version": "All",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "785416DE-0B73-41CD-AC5D-32EAC49045AF",
              "versionEndIncluding": "2019-09-21",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code."
    },
    {
      "lang": "es",
      "value": "WECON LeviStudioU Versiones 21-09-2019 y anteriores, son vulnerables a un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria, que puede permitir a un atacante ejecutar c\u00f3digo de forma remota"
    }
  ],
  "id": "CVE-2021-23157",
  "lastModified": "2026-06-17T03:38:21.227",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-23157",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-16T17:31:41.848676Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-01-14T20:15:10.033",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-MV25-J7GJ-C8P5

Vulnerability from github – Published: 2022-01-15 00:01 – Updated: 2022-01-22 00:02

Details

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-23157"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-01-14T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.",
  "id": "GHSA-mv25-j7gj-c8p5",
  "modified": "2022-01-22T00:02:08Z",
  "published": "2022-01-15T00:01:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23157"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GSD-2021-23157

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

Aliases

CVE-2021-23157

Aliases

CVE-2021-23157

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-23157",
    "description": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.",
    "id": "GSD-2021-23157"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-23157"
      ],
      "details": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.",
      "id": "GSD-2021-23157",
      "modified": "2023-12-13T01:23:29.654795Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "DATE_PUBLIC": "2021-12-21T19:09:00.000Z",
        "ID": "CVE-2021-23157",
        "STATE": "PUBLIC",
        "TITLE": "WECON LeviStudioU"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "LeviStudioU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "All",
                          "version_value": "2019-09-21"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "WECON"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Natnael Samson (@NattiSamson), working with Trend Micro\u2019s Zero Day Initiative, reported these vulnerabilities to CISA."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-122 Heap-based Buffer Overflow"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03",
            "refsource": "MISC",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
          },
          {
            "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/",
            "refsource": "MISC",
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
          },
          {
            "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/",
            "refsource": "MISC",
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
          }
        ]
      },
      "source": {
        "advisory": "ICSA-21-355-03",
        "discovery": "UNKNOWN"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information."
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2019-09-21",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2021-23157"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-787"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-02-09T20:50Z",
      "publishedDate": "2022-01-14T20:15Z"
    }
  }
}

ICSA-21-355-03

Vulnerability from csaf_cisa - Published: 2021-12-21 00:00 - Updated: 2021-12-21 00:00

Summary

WECON LeviStudioU

Scope

2 vulnerabilities in this advisory, including CVE-2021-23157.

CVE-2021-23157

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Known affected: 1 product

https://www.cisa.gov/uscert/sites/default/files/publication… https://www.cisa.gov/uscert/ncas/tips/ST04-014

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-23157 (GCVE-0-2021-23157)

BDU:2022-05812 (CVE-2021-23157)

FKIE_CVE-2021-23157

GHSA-MV25-J7GJ-C8P5

GSD-2021-23157

ICSA-21-355-03

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Related by attack behaviour